the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogues.
a particular system of geometry.
plural noun: geometries
the shape and relative arrangement of the parts of something.
“the geometry of spiders’ webs”
\\Be arall dwi mynd i neud ar nos wenar??
\\The 21st century is the current century of the Anno Domini era, in accordance with the Gregorian calendar. It began on January 1, 2001 and will end on December 31, 2100. It is the first century of the 3rd millennium. It is distinct from the time span known as the 2000s, which began on January 1, 2000 and will end on December 31, 2099.
20fed ganrif 21ain ganrif 22ain ganrif
2000au 2010au 2020au 2030au 2040au 2050au 2060au 2070au 2080au 2090au